Java tutorial
/************************************************************************************* * Copyright (c) 2008-2015 Red Hat, Inc. and others. * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * Contributors: * JBoss by Red Hat - Initial implementation. ************************************************************************************/ package org.jboss.tools.arquillian.ui.internal.commands; import java.io.File; import java.lang.reflect.Method; import org.eclipse.core.commands.AbstractHandler; import org.eclipse.core.commands.ExecutionEvent; import org.eclipse.core.commands.ExecutionException; import org.eclipse.core.runtime.Platform; import org.eclipse.jdt.core.IJavaProject; import org.eclipse.jface.dialogs.IDialogConstants; import org.eclipse.jface.dialogs.MessageDialog; import org.eclipse.jface.viewers.ISelection; import org.eclipse.jface.viewers.IStructuredSelection; import org.eclipse.jface.window.Window; import org.eclipse.swt.SWT; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.FileDialog; import org.eclipse.swt.widgets.Shell; import org.eclipse.ui.PlatformUI; import org.eclipse.ui.handlers.HandlerUtil; import org.jboss.tools.arquillian.core.ArquillianCoreActivator; import org.jboss.tools.arquillian.core.internal.archives.Archive; /** * * @author snjeza * */ public class ExportArchiveCommandHandler extends AbstractHandler { /* (non-Javadoc) * @see org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands.ExecutionEvent) */ @Override public Object execute(ExecutionEvent event) throws ExecutionException { ISelection selection = HandlerUtil.getCurrentSelectionChecked(event); if (selection instanceof IStructuredSelection) { Object object = ((IStructuredSelection) selection).getFirstElement(); if (object instanceof Archive) { Archive archive = (Archive) object; FileDialog dialog = new FileDialog(getShell(), SWT.SAVE); dialog.setFileName(archive.getInternalName()); String name = archive.getInternalName(); int index = name.indexOf('.'); if (index >= 0) { String extension = "*" + name.substring(index); String[] extensions = { extension }; dialog.setFilterExtensions(extensions); } String path = dialog.open(); if (path == null) { return null; } final File localFile = new File(path); if (localFile.exists()) { MessageDialog overwriteDialog = new MessageDialog(getShell(), "Export Archive", null, path + " already exists. Do you want to replace it?", MessageDialog.WARNING, new String[] { IDialogConstants.YES_LABEL, IDialogConstants.NO_LABEL }, 1); if (overwriteDialog.open() != Window.OK) { return null; } } createArchive(archive, localFile); } } return null; } private Shell getShell() { if (Display.getCurrent() != null) { return PlatformUI.getWorkbench().getModalDialogShellProvider().getShell(); } return null; } private static Archive createArchive(Archive archive, File file) { IJavaProject javaProject = archive.getJavaProject(); String className = archive.getLocation().getFullyQualifiedName(); //String className = type.getFullyQualifiedName(); String methodName = archive.getLocation().getMethodName(); //String methodName = deploymentMethod.getName(); ClassLoader loader = ArquillianCoreActivator.getDefault().getClassLoader(javaProject); ClassLoader oldLoader = Thread.currentThread().getContextClassLoader(); try { Thread.currentThread().setContextClassLoader(loader); Class<?> clazz = Class.forName(className, true, loader); Object object = clazz.newInstance(); Method method = clazz.getMethod(methodName, new Class[0]); Object archiveObject = method.invoke(object, new Object[0]); Class<?> archiveClass = archiveObject.getClass(); //archive.as(ZipExporter.class).exportTo( // new File("/home/alr/Desktop/myPackage.jar"), true); Class<?> exporterClass = Class.forName("org.jboss.shrinkwrap.api.exporter.ZipExporter", true, loader); //$NON-NLS-1$ Method asMethod = archiveClass.getMethod("as", new Class[] { Class.class }); //$NON-NLS-1$ Object asObject = asMethod.invoke(archiveObject, new Object[] { exporterClass }); Class<?> asClass = asObject.getClass(); Method exportToMethod = asClass.getMethod("exportTo", new Class[] { File.class, boolean.class }); //$NON-NLS-1$ exportToMethod.invoke(asObject, new Object[] { file, Boolean.TRUE }); } catch (OutOfMemoryError e) { throw new OutOfMemoryError(e.getLocalizedMessage()); } catch (InternalError e) { throw new InternalError(e.getLocalizedMessage()); } catch (StackOverflowError e) { throw new StackOverflowError(e.getLocalizedMessage()); } catch (UnknownError e) { throw new UnknownError(e.getLocalizedMessage()); } catch (Throwable e) { String message = getText(e) + "(project=" + javaProject.getProject().getName() + ")"; //$NON-NLS-1$ //$NON-NLS-2$ Throwable cause = e.getCause(); int i = 0; while (cause != null && i++ < 5) { message = getText(cause) + "(project=" + javaProject.getProject().getName() + ")"; //$NON-NLS-1$ //$NON-NLS-2$ cause = cause.getCause(); } ArquillianCoreActivator.logWarning(message); if (Platform.inDebugMode()) { ArquillianCoreActivator.log(e); } } finally { Thread.currentThread().setContextClassLoader(oldLoader); } return null; } private static String getText(Throwable e) { String text; if (e.getLocalizedMessage() == null || e.getLocalizedMessage().isEmpty()) { text = e.getClass().getName() + ": "; //$NON-NLS-1$ } else { text = e.getLocalizedMessage(); } return text; } }